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var array5bit_A = new Array ( 'f//AAAAAAAAAAAAAAAAAAAA', 'f//AAAAAAAAAAAAAAAAAAAB', 'f//AAAAAAAAAAAAAAEAAAD/',
'f//AAAAAAAAAAAAAAEAAAAA', 'f//AAAAAAAAAQAAAP8AAAAA', 'f//AAAAAAAAAQAAAP8AAAAB', 'f//AAAAAAAAAQAAAAAAAAD/',
'f//AAAAAAAAAQAAAAAAAAAA', 'f//AAABAAAA/wAAAAAAAAAA', 'f//AAABAAAA/wAAAAAAAAAB', 'f//AAABAAAA/wAAAAEAAAD/',
'f//AAABAAAA/wAAAAEAAAAA', 'f//AAABAAAAAAAAAP8AAAAA', 'f//AAABAAAAAAAAAP8AAAAB', 'f//AAABAAAAAAAAAAAAAAD/',
'f//AAABAAAAAAAAAAAAAAAA', 'QD/AAD/AAAAAAAAAAAAAAAA', 'QD/AAD/AAAAAAAAAAAAAAAB', 'QD/AAD/AAAAAAAAAAEAAAD/',
'QD/AAD/AAAAAAAAAAEAAAAA', 'QD/AAD/AAAAAQAAAP8AAAAA', 'QD/AAD/AAAAAQAAAP8AAAAB', 'QD/AAD/AAAAAQAAAAAAAAD/',
'QD/AAD/AAAAAQAAAAAAAAAA', 'QD/AAAAAAAA/wAAAAAAAAAA', 'QD/AAAAAAAA/wAAAAAAAAAB', 'SL/AADeAAAA/gAAAAIAAAD+',
'QD/AAAAAAAA/wAAAAEAAAAA', 'QD/AAAAAAAAAAAAAP8AAAAA', 'QD/AAAAAAAAAAAAAP8AAAAB', 'QD/AAAAAAAAAAAAAAAAAAD/',
'QD/AAAAAAAAAAAAAAAAAAAA');
var array5bit_B = new Array ( 'US0CAuSD38g', 'UUYCA7QBErs', 'ajEDAm49ReY', 'UUoCA+juogg', 'bjEDAjQrOn0', 'bkoDA3iPVH4',
'ajUDAt82atY', 'UU4CA1nljTg', 'cjEDAghkmFU', 'ckoDA0TA9lY', 'izUEAhrxcbg', 'ck4DAxY8F10', 'bjUDAlvFFR8', 'bk4DAxdhexw',
'ajkDAr7LFAw', 'UVICAyQ+UJI', 'TTECAq7UnEM', 'TUoCA+Jw8kA', 'ZjUDAmZGozo', 'TU4CA7CME0s', 'ajUDAvnk9E4', 'ak4DA7VAmk0',
'ZjkDAtle3bI', 'TVICAxOyzrM', 'STUCAqHeHtM', 'SU4CA+16cNA', 'h6QEAZKdo54', 'SVICA62zYxM', 'RTkCAqx1lb4', 'RVICA/z3WM0',
'QT0CAkdoxRU', 'KFYBA46vJCA');
// Painstakingly derived gobblety-goop, but essentially the front, back and mid-matter common to all barcode images...
var stringStart = '<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAACCAQAAADLaIVbAAAANUlEQVQIHQEqANX/A';
var stringMid = 'AAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAA';
var stringEnd = 'AAAAASUVORK5CYII=" width="';
function genBarcode(inputString,intWidth,intHeight) { // Input is a long string of 1's and 0's, output is the HTML <img> stack
// Pads to the last character to ensure length is divisible by 5
var intRawmod = inputString.length % 5; // Modulo 5 remainder
if (intRawmod > 0) for (var i = 0; i < 5 - intRawmod; i++) inputString += "0"; // If not evenly divisible, pad with zeroes
var arraySeq = new Array (intChunks = inputString.length / 5); // Create array for as many chunks as are now in input string
for (var i = 0; i < intChunks; i++) arraySeq[i] = parseInt(inputString.substr(i * 5, 5), 2); // Converts string of 1's and 0's to integer array
// Takes integer array and converts to "<img ...>" graphics for display
var resultString = "";
for (var i = 0; i < arraySeq.length; i++) {
resultString += stringStart + array5bit_A[arraySeq[i]] + stringMid + array5bit_B[arraySeq[i]] + stringEnd + intWidth + '" height="' + intHeight + '">';
}
return resultString;
}
///////////////////////////////////////////
// Symbology-specific arrays
// UPC Specific Arrays
var arrayCodeEANBin, arrayStructEAN;
arrayCodeEANBin = [ [ '0001101', '0011001', '0010011', '0111101', '0100011', '0110001', '0101111', '0111011', '0110111', '0001011' ], [ '0100111', '0110011', '0011011', '0100001', '0011101', '0111001', '0000101', '0010001', '0001001', '0010111' ], [ '1110010', '1100110', '1101100', '1000010', '1011100', '1001110', '1010000', '1000100', '1001000', '1110100' ] ];
arrayStructEAN = ['000000', '001011', '001101', '001110', '010011', '011001', '011100', '010101', '010110', '011010'];
///////////////////////////////////////////
// Global Variables
var strRaw = "";
var strText = "";
///////////////////////////////////////////
// Symbology-specific functions
function funcEAN() { // EAN-13
var intSumOdd = 0, intSumEven = 0, intCheck, i, j, strStruct;
// Compute check digit and add it to raw string
for (i = 0; i < 12; i += 2) {
intSumEven += parseInt(strText[i]);
intSumOdd += parseInt(strText[i+1]);
}
intCheck = ((intSumOdd * 3) + intSumEven) % 10;
if (intCheck > 0) {
intCheck = 10 - intCheck;
}
strText += intCheck;
// Converts Code EAN array into string of 1's and 0's
strRaw = "101";
// First six bar sequences
strStruct = arrayStructEAN[strText[0]];
for (i = 1; i < 7; i += 1) {
strRaw += arrayCodeEANBin[strStruct[i-1]][strText[i]];
}
// Middle sequence
strRaw += "01010";
// Last six bar sequences, including check digit
for (i = 0; i < 6; i += 1) {
strRaw += arrayCodeEANBin[2][strText[i+7]];
}
strRaw += "101";
} // End EAN-13
var intHt = 0;
var intWd = 0;
var strImages = "";
intWd = 4;
intHt = 40;
strText = ItemUPC;
funcEAN();
strImages = genBarcode(strRaw,intWd,intHt);
return `<div>`+strImages+`</div>`+`<div>`+strText+`</div>`; |
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